docs: def add_string_parameters(self, string):
          """Add given string parameters to the internal list.
  
          Args:
              string (list of str or str): A string or list of strings to add to the parameters.
          """
          if isinstance(string, list):
              for x in string:
                  self.add_string_parameters(x)
              return
          self._parameters.append("{ \"value\": \"" + string + "\" }")